/*
 * Copyright (c) 2010, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_GFXFILTER_INTERNAL_H_INCLUDED_
#define ALKES_GFXFILTER_INTERNAL_H_INCLUDED_

#include "alkes/internal.h"

#if (ALKES_API_WIN32 == 1)
#if defined(ALKES_GF_EXPORTS)
#define AL_GF_EXPORT    __declspec(dllexport)
#else
#define AL_GF_EXPORT    __declspec(dllimport)
#endif
#else
#define AL_GF_EXPORT
#endif

#define AL_GF_EXPORT_API extern "C" AL_GF_EXPORT

#define AL_DECLARE_FILTER_CLASS(name, parent)           \
    public:                                             \
        static const alkes::ClassID classID() {         \
            static int class_id = 0;                    \
            return &class_id;                           \
        }                                               \
        static const char* className() {                \
            const static char* my_name = #name;         \
            return my_name;                             \
        }                                               \
        parent* getThisPtr() {                          \
            return component_;                          \
        }                                               \
        const parent* getThisPtr() const {              \
            return component_;                          \
        }                                               \
        virtual const char* getClassName() const {      \
            return component_->getClassName();          \
        }                                               \
        virtual const alkes::ClassID getClassID() const {\
            return component_->getClassID();            \
        }                                               \
        typedef parent parent_class

#define AL_REAL_PTR(p, type)  (p->getClassID() == type::classID() ? static_cast<type*>(p)->getThisPtr() : p)


#endif
